Question

tính nhanh

25 x 323 - 22 x 25 -25

Answer 1

\(25\times323-22\times25-25\\ =25\times\left(323-22-1\right)\\ =25\times300\\ =7500\)

Answer 2

\(=25.\left(323-22-1\right)\)

\(=25.300=7500\)

Answer 3

=25x(323-22-1)

=25x300

=7500

Answer 4

25×323−22×25−25=25×(323−22−1)=25×300=7500

Answer 5